Structure of PDB 1o23 Chain D Binding Site BS03

Receptor Information
>1o23 Chain D (length=272) Species: 9913 (Bos taurus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
LTACPEESPLLVGPMLIEFNIPVDLKLVEQQNPKVKLGGRYTPMDCISPH
KVAIIIPFRNRQEHLKYWLYYLHPILQRQQLDYGIYVINQAGESMFNRAK
LLNVGFKEALKDYDYNCFVFSDVDLIPMNDHNTYRCFSQPRHISVAMDKF
GFSLPYVQYFGGVSALSKQQFLSINGFPNNYWGWGGEDDDIYNRLAFRGM
SVSRPNAVIGKCRMIRHSRDKKNEPNPQRFDRIAHTKETMLSDGLNSLTY
MVLEVQRYPLYTKITVDIGTPS
Ligand information
Ligand IDUDP
InChIInChI=1S/C9H14N2O12P2/c12-5-1-2-11(9(15)10-5)8-7(14)6(13)4(22-8)3-21-25(19,20)23-24(16,17)18/h1-2,4,6-8,13-14H,3H2,(H,19,20)(H,10,12,15)(H2,16,17,18)/t4-,6-,7-,8-/m1/s1
InChIKeyXCCTYIAWTASOJW-XVFCMESISA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.0C1=CN(C(=O)NC1=O)[C@H]2[C@@H]([C@@H]([C@H](O2)CO[P@@](=O)(O)OP(=O)(O)O)O)O
CACTVS 3.370O[CH]1[CH](O)[CH](O[CH]1CO[P](O)(=O)O[P](O)(O)=O)N2C=CC(=O)NC2=O
CACTVS 3.370O[C@H]1[C@@H](O)[C@@H](O[C@@H]1CO[P](O)(=O)O[P](O)(O)=O)N2C=CC(=O)NC2=O
OpenEye OEToolkits 1.7.0C1=CN(C(=O)NC1=O)C2C(C(C(O2)COP(=O)(O)OP(=O)(O)O)O)O
ACDLabs 12.01O=P(O)(O)OP(=O)(O)OCC2OC(N1C(=O)NC(=O)C=C1)C(O)C2O
FormulaC9 H14 N2 O12 P2
NameURIDINE-5'-DIPHOSPHATE
ChEMBLCHEMBL130266
DrugBankDB03435
ZINCZINC000004490939
PDB chain1o23 Chain D Residue 812 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB1o23 Alpha-Lactalbumin (La) Stimulates Milk Beta-1,4-Galactosyltransferase I (Beta 4Gal-T1) to Transfer Glucose from Udp-Glucose to N-Acetylglucosamine. Crystal Structure of Beta 4Gal-T1 X La Complex with Udp-Glc.
Resolution2.32 Å
Binding residue
(original residue number in PDB)		L557 Y790 P791 L792
Binding residue
(residue number reindexed from 1)		L25 Y258 P259 L260
Annotation score3
Enzymatic activity
Catalytic site (original residue number in PDB) D654 D656 W716 E719 D720 M746 H749 R751
Catalytic site (residue number reindexed from 1) D122 D124 W184 E187 D188 M214 H217 R219
Enzyme Commision number 2.4.1.-
2.4.1.22: lactose synthase.
2.4.1.275: neolactotriaosylceramide beta-1,4-galactosyltransferase.
2.4.1.38: beta-N-acetylglucosaminylglycopeptide beta-1,4-galactosyltransferase.
2.4.1.90: N-acetyllactosamine synthase.
Gene Ontology
Molecular Function
GO:0016757 glycosyltransferase activity
Biological Process
GO:0005975 carbohydrate metabolic process

View graph for
Molecular Function
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Biological Process
External links
PDB RCSB:1o23, PDBe:1o23, PDBj:1o23
PDBsum1o23
PubMed11485999
UniProtP08037|B4GT1_BOVIN Beta-1,4-galactosyltransferase 1 (Gene Name=B4GALT1)

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